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- USA
- CAN
Ships within 48 hours · Estimated delivery Aug 23 - Aug 28
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Description
GMC/Chevy, 1999-2006, 6.0L, Stainless - Truck Cat-Back Dual Exhaust KitsThe MPI Stainless Cat back system is engineered specifically for the older style 6. 0L and built to boost overall vehicle performance. It delivers noticeable gains in horsepower and torque, along with improved fuel efficiency. Thanks to our Patented pulse chamber technology, youll get a smooth, mellow interior tone with zero drone. Proudly manufactured in Montana, this system is built to last and ready to keep your truck performing at its best for
The MPI Stainless Cat-back system is engineered specifically for the older-style 6.0L and built to boost overall vehicle performance. It delivers noticeable gains in horsepower and torque, along with improved fuel efficiency. Thanks to our Patented pulse chamber technology, you’ll get a smooth, mellow interior tone with zero drone. Proudly manufactured in Montana, this system is built to last and ready to keep your truck performing at its best for years to come.
Performance Benefits – 6.0L
- Horsepower Gains: +20 hp at
- Torque Gains: +16.5 lb-ft at 4,500 RPM
- Fuel Efficiency: Average improvement of 1-2 MPG
- Heat: Reduces under-hood manifold temperature by 150 degrees
Sound Quality:
- MPI Turbo Series: Our Turbo series Muffler combines MPI benefits with a pleasant, mellow exterior tone that is slightly deeper than the stock system.
- MPI Performance: Our Performance Muffler provides a crisp, aggressive tone that remains balanced.
Key Features
- Patented Pulse Chamber Technology: Eliminates all in-cab droning common with other aftermarket exhausts.
- High-grade stainless-steel Construction: Formulated for high heat resistance and durability against road salts.
- Straightforward Installation: This kit starts at the inlet of the factory muffler. Fitting all wheelbase trucks. All stainless hangers, mufflers, and tips are provided. Welding is required to attach to the factory system.
Detailed Specifications
- Material: Stainless
- Installation: Weld-together system, connects to the system at the inlet side of the factory Muffler
- Hardware: Includes all necessary hardware for installation.
- Design: Compatible with the factory spare tire location.
- Tubing Size: Dyno-proven optimal size for performance.
- Tips: 3.5" x 12" long tips for a refined appearance.
Fitment
- Make: Chevy & GMC
- Model Years: 1999 - 2025
- Chassis: 2500 & 3500
- Engine: 6.0L
- Wheelbase: Compatible with all wheelbases
Patented Technology
- Exhaust Pulse Chamber (Pat. 11713700): It is guaranteed to have no drone and optimizes exhaust flow and overall performance
Warranty
- MPI Exhaust has A Limited Lifetime Warranty for all Stainless Products.
Instructions
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.2 ★★★★★
Based on 25 reviews
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Product Reviews
★★★★★ 1
Not sturdy
Color: Gold
The knob in the front broke less then 10 minutes of me using the bag. Not sturdy enough to fit a lot of things.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 26, 2026
★★★★★ 1
Received worn
Size: 9.5, Color: White Patent, Size: 9.5, Color: White Patent
Product received worn , overall fit was great , had to wear them because I was out of town when opened
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Reviewed in the United States on May 26, 2026
★★★★★ 5
Wonderful
Color: Black
Pleasantly surprised. Packaged great, it even come in a modest dust bag. Roomy enough for day but still able to carry at night without being too casual. Great quality for the price! Highly recommend!
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Reviewed in the United States on May 10, 2026
★★★★★ 5
Versatile
Color: Black
This is a nice purse. The quality is better than I expected. I love the two straps, which makes it versatile.
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Reviewed in the United States on May 8, 2026
★★★★★ 5
Nice purse good price
Color: Black
Love this purse.
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Reviewed in the United States on May 3, 2026
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